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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2017-09-08 16:15:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-08 18:26:49 -0700 |
| commit | 9888a588ea96ba2804f955bbc2667346719da887 (patch) | |
| tree | 0d8596815377b7f283e7c361e3a9018b99ee3856 | |
| parent | f0f1a45f95e85a8ac28c4d62bf2a84db0799efab (diff) | |
| download | linux-9888a588ea96ba2804f955bbc2667346719da887.tar.gz linux-9888a588ea96ba2804f955bbc2667346719da887.tar.bz2 linux-9888a588ea96ba2804f955bbc2667346719da887.zip | |
lib/hexdump.c: return -EINVAL in case of error in hex2bin()
In some cases caller would like to use error code directly without
shadowing.
-EINVAL feels a rightful code to return in case of error in hex2bin().
Link: http://lkml.kernel.org/r/20170731135510.68023-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | lib/hexdump.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/hexdump.c b/lib/hexdump.c index 992457b1284c..81b70ed37209 100644 --- a/lib/hexdump.c +++ b/lib/hexdump.c @@ -9,6 +9,7 @@ #include <linux/types.h> #include <linux/ctype.h> +#include <linux/errno.h> #include <linux/kernel.h> #include <linux/export.h> #include <asm/unaligned.h> @@ -42,7 +43,7 @@ EXPORT_SYMBOL(hex_to_bin); * @src: ascii hexadecimal string * @count: result length * - * Return 0 on success, -1 in case of bad input. + * Return 0 on success, -EINVAL in case of bad input. */ int hex2bin(u8 *dst, const char *src, size_t count) { @@ -51,7 +52,7 @@ int hex2bin(u8 *dst, const char *src, size_t count) int lo = hex_to_bin(*src++); if ((hi < 0) || (lo < 0)) - return -1; + return -EINVAL; *dst++ = (hi << 4) | lo; } |